port-protocol ( port -- protocol )


Vocabulary
io.sockets

Inputs
portan integer


Outputs
protocola protocol string or f


Word description
Outputs the protocol associated with a port number, or f if the port number is unknown.

See also
protocol-port

Definition
USING: accessors kernel unix.ffi ;

IN: io.sockets

: port-protocol ( port -- protocol )
[ htons f getservbyport [ name>> ] [ f ] if* ] [ f ] if* ;